<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>jquery发送jsonp请求</title>
    <script crossorigin="anonymous" src='https://cdn.bootcss.com/jquery/3.5.0/jquery.min.js'></script>
</head>
<body>
    <button>jquery发送jsonp请求</button>
    <script>
        //获取元素
        let btn = document.querySelector('button');
        //绑定事件
        btn.onclick = function(){
            $.getJSON('http://127.0.0.1/jsonp-server?cb=?', function(data){
                console.log(data);
            });
        }
    </script>
</body>
</html>